A review of Image Analysis and Machine Learning Techniques for Automated Cervical Cancer Screening from pap-smear images

Jonathan Ware, Wasswa William, Annabella Habinka Basaza-Ejiri , Johnes Obungoloch

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

405 Wedi eu Llwytho i Lawr (Pure)

Crynodeb

Background and Objective: Early diagnosis and classification of a cancer type can help facilitate the subsequent clinical management of the patient. Cervical cancer ranks as the fourth most prevalent cancer affecting women worldwide and its early detection provides the opportunity to help save life. To that end, automated diagnosis and classification of cervical cancer from pap-smear images has become a necessity as it enables accurate, reliable and timely analysis of the condition’s progress. This paper presents an overview of the state of the art as articulated in several prominent recent publications focusing on automated detection of cervical cancer from pap-smear images.
Methods: The survey reviews publications on applications of image analysis and machine learning in automated diagnosis and classification of cervical cancer from pap-smear images spanning 15 years. The survey reviews 30 journal papers obtained electronically through four scientific databases: Google Scholar, Scopus, IEEE and Science Direct searched using three sets of keywords: segmentation, classification, cervical Cancer; mmedical imaging, machine learning, pap-smear; automated system, classification, pap-smear.
Results: Most of the existing algorithms offer the accuracy of nearly 93.78% on an open pap-smear data set, segmented using CHAMP digital image software. K-Nearest-Neighbors and Support Vector Machines algorithms have been reported to be excellent classifiers for cervical images with accuracies of over 99.27% and 98.5% respectively when applied to a 2-class classification problem (normal or abnormal).
Conclusion: The reviewed papers indicate that there are still weaknesses in the available techniques which result in low accuracy of classification in some classes of cells. Moreover, most of the existing algorithms work either on single or multiple cervical smear images. This accuracy can be improved by using varying various parameters such as the features to be extracted, improvement in noise removal, using hybrid segmentation and classification techniques like construction of multi-level classifiers. Combining K-Nearest-Neighbors algorithm with other algorithm(s) such as Support Vector Machines, pixel level classifications and including statistical shape models can improve performance. Further, most of the developed classifiers are developed and tested on accurately segmented images using commercially available software such as CHAMP software. There is thus a deficit of evidence that these algorithms will work in clinical settings found in developing countries (where 85% of cervical cancer incidences occur) that lack sufficient trained cytologists and the funds to buy the commercial segmentation software.
Iaith wreiddiolSaesneg
Rhif yr erthyglS0169260717307459
Tudalennau (o-i)15-22
Nifer y tudalennau8
CyfnodolynComputer Methods and Programs in Biomedicine
Cyfrol164
Rhif cyhoeddiOctober 2018
Dyddiad ar-lein cynnar26 Meh 2018
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 1 Hyd 2018

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